CN221339331U - Injection mold capable of preventing flow channel from being blocked - Google Patents
Injection mold capable of preventing flow channel from being blocked Download PDFInfo
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- CN221339331U CN221339331U CN202322890496.1U CN202322890496U CN221339331U CN 221339331 U CN221339331 U CN 221339331U CN 202322890496 U CN202322890496 U CN 202322890496U CN 221339331 U CN221339331 U CN 221339331U
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- injection
- circular plate
- injection molding
- upper die
- head
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- 238000002347 injection Methods 0.000 title claims abstract description 73
- 239000007924 injection Substances 0.000 title claims abstract description 73
- 238000001746 injection moulding Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000012768 molten material Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold for preventing flow channel blockage, which comprises an upper mold, wherein a circular plate is arranged on the upper end surface of the upper mold through a roller bearing, two injection pipes are arranged on two sides of the upper end surface of the circular plate, an injection pipe orifice is sleeved on the lower side of the outer surface of each injection pipe, and a dredging head is arranged below the second injection pipe orifice from left to right. Preferably, the lower end face of the upper die is provided with a lower die, a forming groove is arranged between the lower die and the upper die, and an inclined injection through hole is arranged in the middle of the inner wall of the upper end of the forming groove. According to the utility model, the injection molding pipes are arranged on two sides of the upper end surface of the circular plate, the dredging head is arranged below the second injection molding pipe from left to right, and the dredging head can be started to move upwards by starting the stepping motor, so that the interior of the second injection molding pipe is dredged, and the injection molding pipe can be effectively prevented from being blocked when the equipment is used.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to an injection mold capable of preventing flow channel blockage.
Background
The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various patterns, various shapes, large to small sizes, precise product size, easy updating of products, and capability of forming products with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing;
The prior injection mold has the problems that the flow rate of the molten material near the material head of the existing plastic injection mold is faster, when the molten material initially entering the mold is contacted with the mold at low temperature, the initially-entering molten material is quickly solidified, and then the subsequently-entering molten material is disturbed, and when the molten material is seriously disturbed, the problem of dark areas and dark halos on the surface of the molded mold is solved, in the prior art, the patent number CN219634362U is named as a plastic injection mold, a protective outer frame is arranged, holes for guiding heat radiation air flow are formed in the protective outer frame, an inner container capable of molding different injection molded products is placed in the protective outer frame, at the moment, the heat radiation is carried out on the outer wall of the inner container through the air holes in the protective outer frame, and when the molten material is injected into the cavity formed between the inner container and the outer wall of the molded end through the holes in the discharge standpipe and the plastic end, the preheated inner container can be prevented from being solidified, so that the problem of dark areas or dark halos on the subsequently-entering the molten material is effectively avoided, and the problem of the subsequent-entering the molten material is solved.
However, when the injection mold is used, the injection molding raw material in the injection molding pipe and the injection molding raw material in the molding groove are solidified together, and in the unloading process, the solidified material in the injection molding pipe and the injection molding part in the molding groove are possibly disconnected, so that the injection molding pipe is blocked and cannot be used continuously; therefore, the existing requirements are not met, and an injection mold capable of preventing the flow channel from being blocked is provided.
Disclosure of utility model
The utility model aims to provide an injection mold capable of preventing flow channel blockage, which solves the problems that when the injection mold is used, injection molding raw materials in an injection molding pipe and injection molding raw materials in a molding groove are solidified together, and in the unloading process, the solidified materials in the injection molding pipe and injection molding parts in the molding groove are possibly disconnected, so that the injection molding pipe is blocked and cannot be used continuously.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an prevent injection mold that runner blockked up, includes the last mould, the up end of going up the mould is installed the circular plate through roller bearing, the both sides of circular plate up end all are equipped with one and mould plastics the pipe, just the downside cover of moulding plastics the pipe surface is equipped with the injection mouth of pipe, from left to right number second the below of injection mouth of pipe is equipped with a mediation head.
Preferably, the lower end face of the upper die is provided with a lower die, a forming groove is arranged between the lower die and the upper die, an inclined injection through hole is formed in the middle position of the inner wall of the upper end of the forming groove, and the bottom end part of the first injection pipe orifice is clamped into the inside of the inclined injection through hole from left to right.
Preferably, the surface of the outer surface of the injection nozzle facing the inner wall of the inclined injection through hole is an inclined surface, and the surface of the inner wall of the inclined injection through hole facing the injection nozzle is also an inclined surface;
The two sides of the inner wall of the injection tube opening are fixedly provided with a metal sleeve, and the upper end face of the metal sleeve is connected with a spring.
Preferably, the rear of the circular plate is provided with a stepping motor fixedly mounted in the upper die, an output shaft of the stepping motor is connected with a square rotating shaft through a coupling, an external thread head is sleeved on the upper side of the outer surface of the square rotating shaft, an internal thread groove is formed in the outer side of the external thread head, and external threads of the external thread head are matched with internal threads of the internal thread groove.
Preferably, the lower end face of the external thread head is connected with a hollow metal hose through a roller bearing, the other end of the hollow metal hose is also connected with the dredging head through the roller bearing, and the square rotating shaft vertically penetrates through the external thread head to enter the internal thread groove.
Preferably, a change motor fixedly installed inside the upper die is arranged below the middle position of the circular plate, an output shaft of the change motor is connected with the circular plate, an annular cover plate positioned on the lower end face of the upper die is arranged below the change motor, and the upper die and the annular cover plate are fixed through screws.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the two sides of the upper end surface of the circular plate are respectively provided with the injection molding pipes, the dredging head is arranged below the second injection molding pipe from left to right, if the second injection molding pipe is used once, and the first injection molding pipe is used, the dredging head can be started to move upwards by the step motor, so that the inside of the second injection molding pipe is dredged, when dredging is finished, and the first injection molding pipe is used, the positions of the two injection molding pipes can be exchanged by exchanging the motor, the dredged injection molding pipe is moved to the upper side of the inclined injection molding through hole for use, the used injection molding pipe is moved to the upper side of the dredging head, and the dredging head is used for dredging the injection molding pipe, so that the injection molding pipe can be effectively prevented from being blocked when the device is used.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a front view of the overall structure of the present utility model, partially seen from the inside;
Fig. 3 is an enlarged view of the structure of fig. 2a according to the present utility model.
In the figure: 1. a lower die; 2. an upper die; 3. a circular plate; 4. injection molding a tube; 5. injection molding the through hole on the inclined plane; 6. a forming groove; 7. an injection nozzle; 8. a metal sleeve; 9. a spring; 10. dredging the head; 11. a hollow metal hose; 12. an external thread head; 13. an internal thread groove; 14. square rotating shaft; 15. a stepping motor; 16. the motor is exchanged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The lower die 1 (model PP-MOP 205), spring 9 (model JX 110) and the change-over motor 16 (model CV 400-28) mentioned in the present utility model are all available from market or private customization.
Referring to fig. 1 to 3, an embodiment of the present utility model provides: an injection mold for preventing flow channel blockage comprises an upper mold 2, and is characterized in that: the upper end face of the upper die 2 is provided with a circular plate 3 through a roller bearing, two sides of the upper end face of the circular plate 3 are respectively provided with an injection molding pipe 4, the lower side of the outer surface of each injection molding pipe 4 is sleeved with an injection pipe orifice 7, and a dredging head 10 is arranged below the second injection pipe orifice 7 from left to right.
The lower end face of the upper die 2 is provided with a lower die 1, a forming groove 6 is arranged between the lower die 1 and the upper die 2, an inclined injection through hole 5 is arranged in the middle of the inner wall of the upper end of the forming groove 6, and the bottom end part of a first injection pipe orifice 7 is clamped into the inside of the inclined injection through hole 5 from left to right; when the device is needed to be used, plastic raw materials are injected into the first injection molding pipe 4, the plastic raw materials enter the injection pipe orifice 7 sleeved on the lower side of the outer surface of the injection molding pipe 4 along the injection molding pipe 4, and enter the forming groove 6 through the injection pipe orifice 7, after the plastic raw materials positioned in the forming groove 6 are solidified, the part is manufactured, and then the lower die 1 and the upper die 2 are opened, so that the part can be taken out.
The surface of the outer surface of the injection nozzle 7 facing the inner wall of the inclined injection through hole 5 is an inclined surface, and the surface of the inner wall of the inclined injection through hole 5 facing the injection nozzle 7 is also an inclined surface;
A metal sleeve 8 is fixedly arranged on both sides of the inner wall of the injection pipe orifice 7, and the upper end surface of the metal sleeve 8 is connected with a spring 9;
When the lower die 1 and the upper die 2 are opened after the parts are manufactured, the circular plate 3 can be driven to rotate by a change motor 16 connected with the circular plate 3, when the circular plate 3 rotates, the two injection pipes 4 arranged on the outer surface of the circular plate can rotate along with the circular plate, when the injection pipes 4 move, the injection pipe orifice 7 sleeved on the lower side of the outer surface of the first injection pipe 4 can be pushed upwards, the spring 9 is extruded by a metal sleeve 8 fixedly connected with the injection pipe orifice 7, when the change motor 16 rotates for one hundred eighty degrees, the positions of the two injection pipes 4 can be changed along with the change motor, the injection pipe orifice 7 sleeved on the lower side of the outer surface of the second injection pipe 4 can be pushed downwards by the reaction force of the extruded spring 9, the bottom end part of the injection pipe is clamped into the inside of the inclined injection through hole 5, so that the injection pipes 4 are aligned with the inclined injection through hole 5, and then the injection pipes 4 moving to the upper side of the inclined injection through hole 5 can continue injection.
A stepping motor 15 fixedly installed in the upper die 2 is arranged at the rear of the circular plate 3, an output shaft of the stepping motor 15 is connected with a square rotating shaft 14 through a coupler, an external thread head 12 is sleeved on the upper side of the outer surface of the square rotating shaft 14, an internal thread groove 13 is formed in the outer side of the external thread head 12, and external threads of the external thread head 12 are matched with internal threads of the internal thread groove 13; the lower end surface of the external thread head 12 is connected with a hollow metal hose 11 through a roller bearing, the other end of the hollow metal hose 11 is also connected with the dredging head 10 through the roller bearing, and the square rotating shaft 14 vertically penetrates through the external thread head 12 to enter the internal thread groove 13; when the positions of the two injection molding pipes 4 are exchanged, the stepping motor 15 is started, the square rotating shaft 14 connected with the two injection molding pipes can be driven to rotate through the stepping motor 15, and as the square rotating shaft 14 vertically penetrates through the external thread head 12, when the square rotating shaft 14 rotates, the external thread head 12 can rotate along with the square rotating shaft, when the external thread head 12 rotates, the external thread head 12 can move up and down through the thread structure of the external thread head 12, when the external thread head 12 descends, the hollow metal hose 11 connected with the external thread head 12 can be pushed along with the external thread head, and the dredging head 10 connected with the other end of the hollow metal hose 11 can be pushed upwards through the pushing of the external thread head 12, so that the inside of the injection molding pipe 4 after being used can be dredged, after dredging is completed, the square rotating shaft 14 is reversely rotated, the external thread head 12 is moved upwards, and the hollow metal hose 11 and the dredging head 10 can be pulled back to the original position through pulling of the external thread head 12.
A change motor 16 fixedly installed in the upper die 2 is arranged below the middle position of the circular plate 3, an output shaft of the change motor 16 is connected with the circular plate 3, an annular cover plate positioned on the lower end surface of the upper die 2 is arranged below the change motor 16, and the upper die 2 and the annular cover plate are fixed through screws; the circular plate 3 can be rotated by exchanging the motor 16, and the inside of the upper mold 2 can be opened by detaching the bar-shaped cover plate.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An injection mold for preventing flow channel blockage comprises an upper mold (2), and is characterized in that: the upper end face of the upper die (2) is provided with a circular plate (3) through a roller bearing, two sides of the upper end face of the circular plate (3) are respectively provided with an injection molding pipe (4), the lower side of the outer surface of each injection molding pipe (4) is sleeved with an injection pipe orifice (7), and a dredging head (10) is arranged below the injection pipe orifice (7) from left to right.
2. An injection mold for preventing flow blockage according to claim 1, wherein: the lower end face of the upper die (2) is provided with a lower die (1), a forming groove (6) is formed between the lower die (1) and the upper die (2), an inclined injection through hole (5) is formed in the middle position of the inner wall of the upper end of the forming groove (6), and the bottom end part of the injection pipe orifice (7) is clamped into the inclined injection through hole (5) from left to right.
3. An injection mold for preventing flow blockage according to claim 2, wherein: the surface of the outer surface of the injection nozzle (7) facing the inner wall of the inclined injection through hole (5) is an inclined surface, and the surface of the inner wall of the inclined injection through hole (5) facing the injection nozzle (7) is also an inclined surface;
both sides of the inner wall of the injection pipe orifice (7) are fixedly provided with a metal sleeve (8), and the upper end surface of the metal sleeve (8) is connected with a spring (9).
4. An injection mold for preventing flow blockage according to claim 1, wherein: the rear of circular plate (3) is equipped with a fixed mounting in inside step motor (15) of last mould (2), the output shaft of step motor (15) has square pivot (14) through the coupling joint, the upside cover of square pivot (14) surface is equipped with external screw thread head (12), the outside of external screw thread head (12) is equipped with internal thread groove (13), just the external screw thread of external screw thread head (12) and the internal screw thread assorted of internal thread groove (13).
5. The runner blockage preventing injection mold according to claim 4, wherein: the lower end face of the external thread head (12) is connected with a hollow metal hose (11) through a roller bearing, the other end of the hollow metal hose (11) is connected with a dredging head (10) through the roller bearing, and the square rotating shaft (14) vertically penetrates through the external thread head (12) in a movable mode to enter the internal thread groove (13).
6. An injection mold for preventing flow blockage according to claim 1, wherein: the lower part of the middle position of the circular plate (3) is provided with a change motor (16) fixedly installed inside the upper die (2), an output shaft of the change motor (16) is connected with the circular plate (3), the lower part of the change motor (16) is provided with an annular cover plate positioned on the lower end face of the upper die (2), and the upper die (2) and the annular cover plate are fixed through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322890496.1U CN221339331U (en) | 2023-10-27 | 2023-10-27 | Injection mold capable of preventing flow channel from being blocked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322890496.1U CN221339331U (en) | 2023-10-27 | 2023-10-27 | Injection mold capable of preventing flow channel from being blocked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221339331U true CN221339331U (en) | 2024-07-16 |
Family
ID=91844829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322890496.1U Active CN221339331U (en) | 2023-10-27 | 2023-10-27 | Injection mold capable of preventing flow channel from being blocked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221339331U (en) |
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2023
- 2023-10-27 CN CN202322890496.1U patent/CN221339331U/en active Active
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| GR01 | Patent grant |